Source note · Voice VLAN and LLDP-MED and CDP and PoE for IP phones
Cisco's Catalyst 9300 IEEE power classification table gives the maximum power per class as: Class 0 15.4 W, Class 1 4 W, Class 2 7 W, Class 3 15.4 W, Class 4 30 W, Class 5 45 W, Class 6 60 W, Class 7 75 W, Class 8 90 W.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Catalyst 9300 Series Switches
- Subsystem
- PoE classification
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.18.x
- Checked
- 2026-09-24
Sources
- Interface and Hardware Components Configuration Guide, Cisco IOS XE 17.18.x (Catalyst 9300 Switches) - Configuring Power over Ethernet — Cisco Systems · tier 2 current vendor documentation · Configuring Power over Ethernet > Powered-Device Detection and Initial Power Allocation > Table 1 IEEE Power Classifications
Cite this note
APA
WarmTransfer. (2026, September 24). Voice VLAN and LLDP-MED and CDP and PoE for IP phones: source note voice-vlan-lldp-poe-c9300-poe-class-table. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-vlan-lldp-poe-c9300-poe-class-table
BibTeX
@misc{warmtransfer-claim-voice-vlan-lldp-poe-c9300-poe-class-table,
title = {Voice VLAN and LLDP-MED and CDP and PoE for IP phones: source note voice-vlan-lldp-poe-c9300-poe-class-table},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/voice-vlan-lldp-poe-c9300-poe-class-table},
note = {Source note voice-vlan-lldp-poe-c9300-poe-class-table, checked 2026-09-24}
}